Antoniadis Nikolaos
3 min readDec 15, 2022

The Psychology Behind Endowment Bias: What It Is and Why People Tend to Value What They Own More Than What They Don’t Have

What is endowment bias?

Endowment bias is the tendency to value what we own more than what we don’t have. This can be seen in people’s tendency to sell their possessions for less than they are worth and buy goods for more than they are worth.

This bias is due to the fact that people tend to compare the value of an item with its price rather than its value. The price of an item serves as a reference point for its value, and people often use this reference point when making decisions about whether or not to buy an item.

Endowment bias is also known as the “endowment effect” or “status quo bias.” The endowment bias often leads to a decision that favors an individual’s current holdings, even if another decision would be better for them in the long term.

The endowment effect was first described by Amos Tversky and Daniel Kahneman, who found that participants valued goods more when they were told they would become theirs than when they were told those goods would belong to someone else. They discovered that participants were willing to pay twice as much for a coffee mug if it was given as a gift as opposed to purchasing it for themselves.

What Is the Endowment Effect and Why Does It Happen?

In general, the endowment effect is the tendency for people to place a higher value on things they own than on things they don’t. The endowment effect is related to loss aversion, which is the idea that people will go to great lengths to avoid a loss.

People tend to overvalue what they already have and undervalue what they may be able to get in the future. This is because we are more focused on avoiding losses than acquiring gains.

How can you prepare yourself for the endowment effect?

The endowment effect often applies to the things we purchase, but it also affects how we view our own possessions. It can be challenging to avoid the endowment effect, but there are some techniques you can use to prepare for it.

Here are some tips for how you can prepare yourself for the endowment effect:

- Keep a list of all your belongings and their values in case someone else breaks into your home and steals them.

- Be aware of your feelings about the items you buy, and make sure you're not buying something just because it's on sale or a good deal.

When deciding whether or not to purchase something, try to think about how much you would be willing to pay for it if someone else owned it instead of yourself.

Conclusion: The Truth About The “Endowments Effect”

The endowment effect is a psychological phenomenon where people are more likely to value something they own more than the same thing if they don’t own it.

The "endowment effect" is a powerful psychological phenomenon that can have significant implications for marketing campaigns and product pricing.